Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

Protein digestion BEGINS in the:
Options
A Mouth
B Small intestine
C Stomach
Correct Answer
D Large intestine
Correct Answer

Option C is the correct answer.

Detailed Explanation

Protein digestion begins in the stomach, where pepsin (activated by HCl) breaks down proteins into smaller peptides. The acidic environment denatures proteins, making them more accessible to enzymatic action.

Hint

This is where the enzyme pepsin is activated by acid to begin breaking proteins.

Question Info